What’s Vulnerable › Vulnerabilities

CVE-2024-47714: wifi: mt76: mt7996: use hweight16 to get correct tx antenna

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-08-04
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: use hweight16 to get correct tx antenna The chainmask is u16 so using hweight8 cannot get correct tx_ant. Without this patch, the tx_ant of band 2 would be -1 and lead to the following issue: BUG: KASAN: stack-out-of-bounds in mt7996_mcu_add_sta+0x12e0/0x16e0 [mt7996e]

Affected products

• Linux kernel: from 6.2 before 6.6.54; from 6.7 before 6.10.13; from 6.11 before 6.11.2 — fixed in 6.10.13, 6.11.2, 6.6.54

How to fix

Upgrade to a fixed version: Linux kernel 6.10.13, 6.11.2, 6.6.54. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/33954930870c18ec549e4bca0eeff43e252cb740
• https://git.kernel.org/stable/c/50d87e3b70980abc090676b6b4703fcbd96221f9
• https://git.kernel.org/stable/c/8f51fc8a9e2fd96363d8ec3f4ee4b78dd64754e3
• https://git.kernel.org/stable/c/f98c3de92bb05dac4a4969df8a4595ed380b4604

Get alerted when CVE-2024-47714 or the next vulnerability affects your stack